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12v wiring and water
#12413952
09/04/17 10:36 PM
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Joined: Jul 2008
Posts: 3,022
joho5
OP
TFF Team Angler
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OP
TFF Team Angler
Joined: Jul 2008
Posts: 3,022 |
Ok, This is a dumb question...but why do exposed 12v connections, like say on a boat trailer not short or whatever when they go under the water? Why is it just the bulbs that need to be water tight?
12v current still transmits under water from wire to wire even when in contact with water?
thanks
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Re: 12v wiring and water
[Re: joho5]
#12414268
09/05/17 02:03 AM
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Joined: Mar 2005
Posts: 1,621
psycho0819
Extreme Angler
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Extreme Angler
Joined: Mar 2005
Posts: 1,621 |
The voltage is low,12v, so it's not as apt to conduct through water as higher voltages will.
Mainly, incandescent bulbs blow because they are hot and hit cold water when backing the trailer in. More of a rapid expansion/contraction of disimilar materials thing than it is an electrical issue. The sockets, being copper or brass, will also corrode/oxidize.
If you're not living on the edge, you're taking up too much space!
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Re: 12v wiring and water
[Re: joho5]
#12414728
09/05/17 02:32 PM
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Joined: Aug 2009
Posts: 1,681
Capt Craig
Extreme Angler
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Extreme Angler
Joined: Aug 2009
Posts: 1,681 |
Fresh water is a very poor conductor of electricity. Saltwater however is an excellent conductor of electricity.
12 volt is just too weak to cause much of a disturbance. 110 AC however, is strong enough that even in freshwater, it can cause electrocution around docks with faulty wiring.
Capt. Craig Copeland Licensed by the US Coast Guard
2019 Nautic Star 215 XTS Shallow Bay Boat Humminbird HELIX 12 CHIRP MEGA SI GPS G3N Nautic Star Boats Pro Staff (nauticstarboats.com) Redneck Fish'n Jigs Pro Staff (redneckfishn.com)
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